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Strong Developer & Systems Engineer with great presentation skills
James Stevens
,
Windsor, United Kingdom
Experience
Other titles
Skills
I'm offering
25+ years experience on Linux/Unix server systems, inc RedHat & CentOS, especially high-speed / high-availability database & server applications rising to spend the ten years as CTO working as a Complex Systems Architect for dot-IO Domain Registry.
Designing and developing complex wide-area networks incorporating public and private clouds, fixed and dial-up VPNs, multiple v4 & v6 Anycast networks, with GSLB load balancing and failover, on a hardened Linux operating system.
Extensive experience of Linux/Unix, shell scripting, Python, "C" Developer, Javascript, developing secure full- stack web applications and API services from the ground up.
Designing and implementing secure Linux based operating systems, from the kernel up. Extensive experience in the use of a wide range of open source packages, including building from source.
Contributed & credited in a range of open source packages, including various utilities as well as the Linux Kernel and Kernel Support (Kernel Bugzilla).
Write high quality documentation, blog posts http://*****.**) and general reporting. Give on-line and public presentations supported by well designed architecture diagrams.
A wide ranging understanding of IT and its uses with a talent for being able to explain complex concepts & architectures to C-suite & non-IT executives, so they can understand the decisions that need to be made.
Give confident and clear presentations to both a technical audience and those less familiar with the subject matter.
Designing and developing complex wide-area networks incorporating public and private clouds, fixed and dial-up VPNs, multiple v4 & v6 Anycast networks, with GSLB load balancing and failover, on a hardened Linux operating system.
Extensive experience of Linux/Unix, shell scripting, Python, "C" Developer, Javascript, developing secure full- stack web applications and API services from the ground up.
Designing and implementing secure Linux based operating systems, from the kernel up. Extensive experience in the use of a wide range of open source packages, including building from source.
Contributed & credited in a range of open source packages, including various utilities as well as the Linux Kernel and Kernel Support (Kernel Bugzilla).
Write high quality documentation, blog posts http://*****.**) and general reporting. Give on-line and public presentations supported by well designed architecture diagrams.
A wide ranging understanding of IT and its uses with a talent for being able to explain complex concepts & architectures to C-suite & non-IT executives, so they can understand the decisions that need to be made.
Give confident and clear presentations to both a technical audience and those less familiar with the subject matter.
Markets
United Kingdom
Links for more
Once you have created a company account and a job, you can access the profiles links.
Language
English
Fluently
Ready for
Larger project
Ongoing relation / part-time
Full time contractor
Available
My experience
2017 - ?
job
CTO
Investor.
(http://Names.of.London/) & Phrases.for.Sale
(http://Phrases.for.Sale/), London (UK)
Names.of.London is a domain registry business selling newGTLD domain names in the form of short three words phrases. I have invested in their domain name collection, set up and run their
domain registry (private cloud) and DNS server systems (public & private cloud).
Run the social media and online marketing operation, growing a twitter following from zero to over 6000 followers by writing a blog, interacting on forums / technical mailing lists and general
twitter activity.
Core skills - RFC compliant Domain Registry operation, live publication of corresponding DNS and associated services such as web & email forwarding, management of private and public
cloud servers, including live monitoring. Growing Facebook & Twitter marketing and Aꢁliate
promotions.
www.jrcs.net/cv/phone.html
3/6
08/01/2020
(http://Phrases.for.Sale/), London (UK)
Names.of.London is a domain registry business selling newGTLD domain names in the form of short three words phrases. I have invested in their domain name collection, set up and run their
domain registry (private cloud) and DNS server systems (public & private cloud).
Run the social media and online marketing operation, growing a twitter following from zero to over 6000 followers by writing a blog, interacting on forums / technical mailing lists and general
twitter activity.
Core skills - RFC compliant Domain Registry operation, live publication of corresponding DNS and associated services such as web & email forwarding, management of private and public
cloud servers, including live monitoring. Growing Facebook & Twitter marketing and Aꢁliate
promotions.
www.jrcs.net/cv/phone.html
3/6
08/01/2020
Blog, Social, UP, Online, Http, Web, Server, Monitoring, Cto, Twitter, Net, Social Media, DNS, Management, Cloud, Facebook, HTML/CSS/Javascript, Writing, Online Marketing, .Net, Html, Marketing
2018 - 2019
job
Senior Linux Systems Engineer
PaaS Provider ServiceNow.
Large multinational B2B SaaS/PaaS Provider ServiceNow (http://www.servicenow.com/), London (UK)
With a global private cloud of 1000s of servers, ServiceNow provides a PaaS for enterprise level ITIL compliant IT management used largely in the corporate and government markets.
The Systems Engineering Team design, maintain and run all the infrastructure services that support the application - e.g. email, DNS, authentication and server / VM infrastructure
Lead Architect / Lead Developer / Project Manager - Internal DNS Revamp
Redesign and replace internal DNS infrastructure to improve scalability and reduce data propagation times. Manage roll out and integration into 24/7 teams. Phased in as 5 projects, to ensure an always-on service.
Skills: Linux (RedHat / CentOS), puppet, python, shell script, DNS, "bind"
Lead Developer - DNS Malware Filtering
Created a platform to integrate existing malware ꢀltering service to all Ops desktops.
Skills: Linux (RedHat / CentOS), puppet, python, shell script, DNS, "bind"
Lead Architect / Lead Developer - Server Validation Service
Designed and implemented a server validation service in python, using YAML function specification files, and publish the results to the ServiceNow ITIL management system.
Skills: Linux (RedHat / CentOS), python, shell script, RestAPI
Lead Developer - Automated Change Management
Wrote code to automate rolling-out changes with ITIL compliance by pulling change details from the "git" repository and creating suitable change requests.
Skills: Linux (RedHat / CentOS), python, shell script, "git"
Tech Skills: In-depth Linux (Centos / Redhat), networking, puppet, DevOps, DevOps Automation, python, splunk, git, DNS, DNSSEC, PowerDNS, "bind", vcenter / vmware, LDAP.
Soft Skills: Documenting & presenting proposals, documentation for 24/7 teams, coordinating projects across multiple teams & time-zones, technical presentations (live & on-line)
With a global private cloud of 1000s of servers, ServiceNow provides a PaaS for enterprise level ITIL compliant IT management used largely in the corporate and government markets.
The Systems Engineering Team design, maintain and run all the infrastructure services that support the application - e.g. email, DNS, authentication and server / VM infrastructure
Lead Architect / Lead Developer / Project Manager - Internal DNS Revamp
Redesign and replace internal DNS infrastructure to improve scalability and reduce data propagation times. Manage roll out and integration into 24/7 teams. Phased in as 5 projects, to ensure an always-on service.
Skills: Linux (RedHat / CentOS), puppet, python, shell script, DNS, "bind"
Lead Developer - DNS Malware Filtering
Created a platform to integrate existing malware ꢀltering service to all Ops desktops.
Skills: Linux (RedHat / CentOS), puppet, python, shell script, DNS, "bind"
Lead Architect / Lead Developer - Server Validation Service
Designed and implemented a server validation service in python, using YAML function specification files, and publish the results to the ServiceNow ITIL management system.
Skills: Linux (RedHat / CentOS), python, shell script, RestAPI
Lead Developer - Automated Change Management
Wrote code to automate rolling-out changes with ITIL compliance by pulling change details from the "git" repository and creating suitable change requests.
Skills: Linux (RedHat / CentOS), python, shell script, "git"
Tech Skills: In-depth Linux (Centos / Redhat), networking, puppet, DevOps, DevOps Automation, python, splunk, git, DNS, DNSSEC, PowerDNS, "bind", vcenter / vmware, LDAP.
Soft Skills: Documenting & presenting proposals, documentation for 24/7 teams, coordinating projects across multiple teams & time-zones, technical presentations (live & on-line)
ServiceNow, Compliance, Engineering, It, Developer, Support, Lead developer, Infrastructure, Presenting, Service, CentOS, Server, Scalability, Http, Redesign, Enterprise, Manager, Restapi, Networking, Change management, Python, Git, Linux, Project Manager, B2B, DevOps, ITIL, Design, VMware, Automation, Cloud, Saas, Management, DNS, Integration, It management
2006 - 2017
job
CTO, Lead Architect / Developer, Project Manager
dot-IO Domain Registry.
(http://www.nic.tm/) ccTLD Domain Registry & CommunityDNS
(http://www.cdns.net/), London UK
Dot-IO Domain registry was responsible for running and maintaining all domain names ending dot-IO, as well as those ending dot-AC, dot-SH and dot-TM. This involves running a full-stack registration / membership & renewal application, with an XML API, and all the necessary DNS infrastructure to ensure the domain names work 24/7/365
The spin-off business "CommunityDNS" runs 6 anycast global DNS networks with h/a clusters in over 50 locations, to provide an attack resistant DNS publishing platform for ccTLDs.
Lead Architect / Lead Developer / Project Manager - Domain Registration Service
Design, write, implement and run (24/7) a full-stack domain name registration & DNS publishing service. Includes designing the hardened operating system platform, server infrastructure and all necessary backup & failover strategies at multiple data centres - London (x4), New York (x2) and Chicago (x2) linked by VPN.
Backend: MySql, "C", python, shell script
Frontend: XML API written in "C" and three WebUIs for end-users, resellers and customer
services (internal) - "C", Javascript, python, HTML, CSS
Skills: Linux, KVM, networking & VPN, MySQL, Open Source, "C", shell script, python, HTML, CSS
Lead Architect / Lead Developer / Project Manager - DNS Anycast Service
Design, write, implement and run (24/7) an attack (esp D/DoS) resistant DNS publishing & reporting service using a hardened Linux O/S and hardened DNS Server.
Skills: Linux, DNS, "C", VPN, IPv4 / IPv6,
(http://www.cdns.net/), London UK
Dot-IO Domain registry was responsible for running and maintaining all domain names ending dot-IO, as well as those ending dot-AC, dot-SH and dot-TM. This involves running a full-stack registration / membership & renewal application, with an XML API, and all the necessary DNS infrastructure to ensure the domain names work 24/7/365
The spin-off business "CommunityDNS" runs 6 anycast global DNS networks with h/a clusters in over 50 locations, to provide an attack resistant DNS publishing platform for ccTLDs.
Lead Architect / Lead Developer / Project Manager - Domain Registration Service
Design, write, implement and run (24/7) a full-stack domain name registration & DNS publishing service. Includes designing the hardened operating system platform, server infrastructure and all necessary backup & failover strategies at multiple data centres - London (x4), New York (x2) and Chicago (x2) linked by VPN.
Backend: MySql, "C", python, shell script
Frontend: XML API written in "C" and three WebUIs for end-users, resellers and customer
services (internal) - "C", Javascript, python, HTML, CSS
Skills: Linux, KVM, networking & VPN, MySQL, Open Source, "C", shell script, python, HTML, CSS
Lead Architect / Lead Developer / Project Manager - DNS Anycast Service
Design, write, implement and run (24/7) an attack (esp D/DoS) resistant DNS publishing & reporting service using a hardened Linux O/S and hardened DNS Server.
Skills: Linux, DNS, "C", VPN, IPv4 / IPv6,
Networking, Manager, Http, Server, Backup, Infrastructure, Lead developer, Cto, Developer, Open source, Net, Service, DNS, C, Javascript, XML, Project Manager, HTML/CSS/Javascript, API, Linux, Frontend, Backend, .Net, Python, Mysql, Design, Html, Css
1996 - 2006
job
Operating System Architect
Independent Linux Consultancy.
Designing secure, hardened, ultra-reliable custom Linux based operating systems for embedded
applications, e.g routers, network storage, ꢀrewalls, web proxy cache & ꢀlter, content distribution for education.
Sold and licensed Operating System designs and code to external vendors including 3-Com
(http://www.3com.com/) and ApplianSys (https://www.appliansys.com/)
applications, e.g routers, network storage, ꢀrewalls, web proxy cache & ꢀlter, content distribution for education.
Sold and licensed Operating System designs and code to external vendors including 3-Com
(http://www.3com.com/) and ApplianSys (https://www.appliansys.com/)
Linux, Content, Network, Embedded, Storage, Web, Http
1992 - 1996
freelance
Freelance Contractor
specialising in front-oꢁce.
Mostly working with Sybase on Unix based system, especially Solaris, specialising in front-oꢁce
trading systems for merchant banks. Clients included BNP Paribas (French Bank), Goldman
trading systems for merchant banks. Clients included BNP Paribas (French Bank), Goldman
Unix, Sybase
1990 - 1992
job
Systems Developer - Database Vendor
Sachs, Sun Microsystems.
Providing technical backup for the front-
line customer support staff.
This includes analysing technical issues, ꢁxing bugs and porting the product to new platforms.
Accompanying sales and/or support staff on customer visits throughout the EMEA territory.
line customer support staff.
This includes analysing technical issues, ꢁxing bugs and porting the product to new platforms.
Accompanying sales and/or support staff on customer visits throughout the EMEA territory.
Database, Sales, Developer, Support, Backup
1988 - 1990
job
Systems Developer
Accounting & Time.
Radius-CBSL, Cardiff
Providing technical support and technical development services to teams of developers and customer support staff for SCO/Unix based Ingress accounting and time-costing system for
SMEs.
Providing technical support and technical development services to teams of developers and customer support staff for SCO/Unix based Ingress accounting and time-costing system for
SMEs.
Unix, Developer, Support, Development, Costing
My education
1984
-
1988
University College Cardiff
BSc (hons), Computer Science
BSc (hons), Computer Science
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